Function key for a communicator



FIG. 1 is a perspective front view of the communicator in open position showing function key;

FIG. 2 is a top view with communicator in open position;

FIG. 3 is a perspective front view with communicator in closed position; and,

FIG. 4 is a rear view thereof with the communicator in the closed position.

The portion of the design shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a function key for a communicator, as shown and described. 